You can't reveal one to satisfy the ability of another
Chances are good that at least a couple of them appealed to your deckbuilding interests, but with a volume this large, its entirely possible you might have overlooked some cool ones along the way
Some EDH decks just want to ramp into Kozilek, cast it, draw cards, and sometimes even attack and decimate a board
Wall of Mourning, 1W: with it, the top card of the library may be removed from play for each opponent, and if Coven triggers, it may be put into the hand at the beginning of the end step
Fast mana, powerful colorless spells, and lock pieces are all a special breed of Magic cards, and Karn, the Great Creator is the most powerful payoff weve seen in quite some time
The commander at the center of the deck is the siblings Gisa and Geralf, and with their abilities, they help make this deck synergize and create massive armies worth of Zombie creatures